Django用户作为外键错误
我只想让多个ssh会话与每个用户关联Django用户作为外键错误,django,django-models,Django,Django Models,我只想让多个ssh会话与每个用户关联 from django.contrib.auth.models import User class Sshsession(models.Model): session_name=models.CharField(max_length=20) # Other session attributes usr=models.ForeignKey(User) 当我迁移时，我会得到一个错误 int() argument must be a stri
from django.contrib.auth.models import User
class Sshsession(models.Model):
session_name=models.CharField(max_length=20)
# Other session attributes
usr=models.ForeignKey(User)
int() argument must be a string or a number, not 'User'
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 353, in execute_from_command_line
utility.execute()
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/djang/core/management/__init__.py", line 345, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/core/management/base.py", line 348, in run_from_argv
self.execute(*args, **cmd_options)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/core/management/base.py", line 399, in execute
output = self.handle(*args, **options)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/core/management/commands/migrate.py", line 200, in handle
executor.migrate(targets, plan, fake=fake, fake_initial=fake_initial)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/db/migrations/executor.py", line 92, in migrate
self._migrate_all_forwards(plan, full_plan, fake=fake, fake_initial=fake_initial)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/db/migrations/executor.py", line 121, in _migrate_all_forwards
state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/db/migrations/executor.py", line 198, in apply_migration
state = migration.apply(state, schema_editor)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/db/migrations/migration.py", line 123, in apply
operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/db/migrations/operations/fields.py", line 62, in database_forwards
field,
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/db/backends/base/schema.py", line 382, in add_field
definition, params = self.column_sql(model, field, include_default=True)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/db/backends/base/schema.py", line 145, in column_sql
default_value = self.effective_default(field)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/db/backends/base/schema.py", line 210, in effective_default
default = field.get_db_prep_save(default, self.connection)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/db/models/fields/related.py", line 912, in get_db_prep_save
return self.target_field.get_db_prep_save(value, connection=connection)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/db/models/fields/__init__.py", line 728, in get_db_prep_save
prepared=False)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/db/models/fields/__init__.py", line 968, in get_db_prep_value
value = self.get_prep_value(value)
File "/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/db/models/fields/__init__.py", line 976, in get_prep_value
return int(value)
TypeError: int() argument must be a string or a number, not 'User'
回溯（最近一次呼叫最后一次）：
文件“manage.py”，第10行，在
从命令行（sys.argv）执行命令
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/core/management/_init__uuuuuu.py”，第353行，从命令行执行
utility.execute（）
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/djang/core/management/__init__.py”，执行中第345行
self.fetch_命令（子命令）。从_argv（self.argv）运行_
文件“/home/ubuntu/blahblah/local/lib/python2.7/site-packages/django/core/management/base.py”，第348行，运行于
self.execute（*args，**cmd_选项）
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/core/management/base.py”，第399行，在execute中
输出=self.handle（*args，**选项）
handle中的文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/core/management/commands/migrate.py”，第200行
executor.migrate（目标、计划、假=假、假首字母=假首字母）
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/db/migrations/executor.py”，第92行，在migrate中
self.\u迁移\u所有\u转发（计划、完整计划、假=假、假首字母=假首字母）
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/db/migrations/executor.py”，第121行，全部向前迁移
state=self.apply\u迁移（state，migration，false=false，false\u initial=false\u initial）
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/db/migrations/executor.py”，第198行，在apply_migration中
state=migration.apply（状态，模式编辑器）
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/db/migrations/migration.py”，第123行，在apply中
操作。数据库转发（self.app\u标签、模式编辑器、旧状态、项目状态）
数据库中的文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/db/migrations/operations/fields.py”，第62行
领域
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/db/backends/base/schema.py”，第382行，在add_字段中
定义，params=self.column\u sql（模型，字段，include\u默认值=True）
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/db/backends/base/schema.py”，第145行，sql列
默认值=自生效默认值（字段）
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/db/backends/base/schema.py”，第210行，默认有效
默认值=field.get\u db\u prep\u save（默认值，self.connection）
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/db/models/fields/related.py”，第912行，在get_db_prep_save中
返回self.target\u字段。get\u db\u prep\u save（值，连接=连接）
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/db/models/fields/_init__.py”，第728行，在get_db_prep_save中
准备就绪（错误）
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/db/models/fields/_init__.py”，第968行，在get_db_prep_值中
value=self.get\u prep\u值（value）
文件“/home/ubuntu/blahblah/local/lib/python2.7/site packages/django/db/models/fields/__init__.py”，第976行，在get_prep_值中
返回int（值）
TypeError:int（）参数必须是字符串或数字，而不是“User”